3980980 has 12 divisors (see below), whose sum is σ = 8360100. Its totient is φ = 1592384.

The previous prime is 3980971. The next prime is 3980987. The reversal of 3980980 is 890893.

3980980 = T₄₂₆ + T₄₂₇ + ... + T₄₆₅.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 1036324 = 1716^2 + 1018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99505 + ... + 99544.

It is an arithmetic number, because the mean of its divisors is an integer number (696675).

Almost surely, 2^3980980 is an apocalyptic number.

It is an amenable number.

3980980 is an abundant number, since it is smaller than the sum of its proper divisors (4379120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3980980 is a wasteful number, since it uses less digits than its factorization.

3980980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199058 (or 199056 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 3980980 is about 1995.2393340148. The cubic root of 3980980 is about 158.4881022824.

The spelling of 3980980 in words is "three million, nine hundred eighty thousand, nine hundred eighty".